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/*
* Copyright © 2012 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef _AO_ARCH_H_
#define _AO_ARCH_H_
#include <stdio.h>
#include <stm32f0.h>
/*
* STM32F0 definitions and code fragments for AltOS
*/
#ifndef AO_STACK_SIZE
#define AO_STACK_SIZE 512
#endif
#define AO_LED_TYPE uint16_t
#ifndef AO_TICK_TYPE
#define AO_TICK_TYPE uint16_t
#define AO_TICK_SIGNED int16_t
#endif
#define AO_PORT_TYPE uint16_t
/* Various definitions to make GCC look more like SDCC */
#define ao_arch_naked_declare __attribute__((naked))
#define ao_arch_naked_define
#define __pdata
#define __data
#define __xdata
#define __code const
#define __reentrant
#define __interrupt(n)
#define __at(n)
#define ao_arch_reboot() \
(stm_scb.aircr = ((STM_SCB_AIRCR_VECTKEY_KEY << STM_SCB_AIRCR_VECTKEY) | \
(1 << STM_SCB_AIRCR_SYSRESETREQ)))
#define ao_arch_nop() asm("nop")
#define ao_arch_interrupt(n) /* nothing */
#undef putchar
#undef getchar
#define putchar(c) ao_putchar(c)
#define getchar ao_getchar
extern void putchar(char c);
extern char getchar(void);
extern void ao_avr_stdio_init(void);
/*
* ao_romconfig.c
*/
#define AO_ROMCONFIG_VERSION 2
#define AO_ROMCONFIG_SYMBOL(a) __attribute__((section(".romconfig"))) const
extern const uint16_t ao_romconfig_version;
extern const uint16_t ao_romconfig_check;
extern const uint16_t ao_serial_number;
extern const uint32_t ao_radio_cal;
#define ao_arch_task_members\
uint32_t *sp; /* saved stack pointer */
#define ao_arch_block_interrupts() asm("cpsid i")
#define ao_arch_release_interrupts() asm("cpsie i")
/*
* ao_timer.c
*
* For the stm32f042, we want to use the USB-based HSI48 clock
*/
#ifndef AO_SYSCLK
#if AO_HSI
#define AO_SYSCLK STM_HSI_FREQ
#endif
#if AO_HSI48
#define AO_SYSCLK 48000000
#endif
#endif
#define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
#if AO_HSE || AO_HSI
#if AO_HSE
#define AO_PLLSRC AO_HSE
#else
#define AO_PLLSRC STM_HSI_FREQ
#endif
#define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL)
#define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV)
#endif
#define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
#define AO_PCLK (AO_HCLK / AO_APB_PRESCALER)
#define AO_SYSTICK (AO_HCLK)
#define AO_PANIC_DELAY_SCALE (AO_SYSCLK / 12000000)
#if AO_APB_PRESCALER == 1
#define AO_TIM_CLK AO_PCLK
#else
#define AO_TIM_CLK (2 * AO_PCLK)
#endif
#define AO_STM_NVIC_HIGH_PRIORITY (0 << 6)
#define AO_STM_NVIC_CLOCK_PRIORITY (1 << 6)
#define AO_STM_NVIC_MED_PRIORITY (2 << 6)
#define AO_STM_NVIC_LOW_PRIORITY (3 << 6)
void ao_lcd_stm_init(void);
void ao_lcd_font_init(void);
void ao_lcd_font_string(char *s);
extern const uint32_t ao_radio_cal;
void
ao_adc_init();
/* ADC maximum reported value */
#define AO_ADC_MAX 4095
#ifndef HAS_BOOT_LOADER
#define HAS_BOOT_LOADER 1
#endif
#if HAS_BOOT_LOADER
#define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x08001000)
#ifndef AO_BOOT_APPLICATION_BOUND
#define AO_BOOT_APPLICATION_BOUND ((uint32_t *) (0x08000000 + stm_flash_size()))
#endif
#define AO_BOOT_LOADER_BASE ((uint32_t *) 0x08000000)
#endif
#endif /* _AO_ARCH_H_ */
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